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juniper认证考试

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Which two statements are true of a network mask?()

  • A、A subnet mask specifies the portion of an IP address that is in a binary format
  • B、A subnet mask specifies the portion of an IP address that is in a decimal format
  • C、A subnet mask specifies the portion of an IP address that represents a network prefix
  • D、A subnet mask specifies the portion of an IP address that represetns network hosts
正确答案:C
答案解析:
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